.m-bady {
  background-color: #fff;
  width: 100vw;
  height: calc(100vh - 100px);
  border-top: 2px #4395ff solid;
  /* float: left; */
  overflow-y: scroll;
  position:relative
}

.write-container{
  /* color:#4395ff; */
  width: 980px;
  margin: 0 auto;
  border-left: 2px solid #d0d7de;
}
.markdown-body {
  box-sizing: border-box;
  min-width: 200px;
  max-width: 980px;
  margin: 0 auto;
  padding: 45px;
}
